/**
 * 课程管理
 */
<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>课程列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 搜索筛选 -->
    <el-form :inline="true" :model="formInline" class="user-search">
      <el-form-item label="搜索：">
        <el-input size="small" v-model="formInline.id" placeholder="输入课程编号"></el-input>
      </el-form-item>
      <el-form-item>
        <el-input size="small" v-model="formInline.courseName" placeholder="输入课程名称"></el-input>
      </el-form-item>
      <el-form-item>
        <el-input size="small" v-model="formInline.coachId" placeholder="输入教练编号"></el-input>
      </el-form-item>
      <el-form-item>
        <el-select size="small" v-model="formInline.category" placeholder="请选择">
          <el-option v-for="type in payway" :label="type.key" :value="type.value" :key="type.value"></el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button size="small" type="primary" icon="el-icon-search" @click="search">搜索</el-button>
        <el-button size="small" type="primary" icon="el-icon-plus" @click="handleEdit()">添加</el-button>
      </el-form-item>
    </el-form>
    <!--列表-->
    <el-table size="small" :data="listData" highlight-current-row v-loading="loading" border element-loading-text="拼命加载中" style="width: 100%;">
      <el-table-column align="center" type="index" width="60">
      </el-table-column>
      <el-table-column sortable prop="id" label="课程编号" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column label="图片" width="150" align="center">
          <template slot-scope="scope">
            <img style="height: 100px; width:100px" :src="scope.row.imageUrl">
            </template>
        </el-table-column>
      <el-table-column sortable prop="courseName" label="课程名称" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column sortable prop="startTime" label="开始时间" width="140" show-overflow-tooltip>
      </el-table-column>
      <el-table-column sortable prop="endTime" label="结束时间" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column sortable prop="price" label="价格(单位元)" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column sortable prop="personNum" label="课程人数" width="180" show-overflow-tooltip>
      </el-table-column>
      <el-table-column sortable prop="category" label="课程类别" width="140" show-overflow-tooltip>
      </el-table-column>
      <el-table-column sortable prop="introduce" label="描述" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column sortable prop="coachId" label="任课教练" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column sortable prop="address" label="场地" width="120" show-overflow-tooltip>
      </el-table-column>
      <el-table-column align="center" label="操作" min-width="150">
        <template slot-scope="scope">
          <el-button size="mini" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button size="mini" type="danger" @click="deleteCourse(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页组件 -->
    <Pagination v-bind:child-msg="pageparm" @callFather="callFather"></Pagination>
    <!-- 编辑界面 -->
    <el-dialog :title="title" :visible.sync="editFormVisible" width="50%" @click="closeDialog('editForm')">
      <el-form label-width="120px" :model="editForm" ref="editForm" :rules="rules">
         <!-- 上传图片 -->
        <el-form-item label="上传图片" ref="uploadElement" prop="imageUrl">
          <el-input v-model="editForm.imageUrl" v-if="false"></el-input>
          <el-upload
            class="avatar-uploader"
            ref="upload"
            :show-file-list="false"
            action="/api/course/save"
            :before-upload="beforeUpload"
            :on-change="handleChange"
            :auto-upload="false"
            :data="editForm"
            :on-success="uploadSuccess"
          >
            <img v-if="editForm.imageUrl" :src="editForm.imageUrl" class="avatar" />
            <i v-else class="el-icon-plus avatar-uploader-icon"></i>
          </el-upload>
        </el-form-item>
        <el-form-item label="课程名称" prop="courseName">
          <el-input size="small" v-model="editForm.courseName" auto-complete="off" placeholder="请输入课程名称" ></el-input>
        </el-form-item>
        <el-form-item label="课程时间" prop="courseDate">
          <div class="block">
            <el-date-picker v-model="editForm.courseDate" type="datetimerange" range-separator="至"
             start-placeholder="开始时间" end-placeholder="结束时间">
            </el-date-picker>
          </div>
        </el-form-item>
        <el-form-item label="价格" prop="price">
          <el-input size="small" v-model="editForm.price" auto-complete="off" placeholder="请输入价格" type="number"></el-input>
        </el-form-item>
        <el-form-item label="课程人数" prop="personNum">
          <el-input size="small" v-model="editForm.personNum" auto-complete="off" placeholder="请输入课程人数"  type="number"></el-input>
        </el-form-item>
        <el-form-item label="课程类别" prop="category">
          <el-select size="small" v-model="editForm.category" placeholder="请选择">
            <el-option v-for="type in payway" :label="type.key" :value="type.value" :key="type.value"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="描述" prop="introduce">
          <el-input size="small" v-model="editForm.introduce" auto-complete="off" placeholder="请输入描述" ></el-input>
        </el-form-item>
        <el-form-item label="教练" prop="coachId">
          <el-select size="small" v-model="editForm.coachId" placeholder="请选择">
            <el-option v-for="type in coachFrom" :label="type.key" :value="type.value" :key="type.value"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="场地" prop="address">
          <el-input size="small" v-model="editForm.address" auto-complete="off" placeholder="请输入场地" ></el-input>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button size="small" @click="closeDialog">取消</el-button>
        <el-button
          size="small"
          type="primary"
          :loading="loading"
          class="title"
          @click="submitForm('editForm')"
        >保存</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { CourseList,CoachForm,CourseDelete } from '../../api/payMG'
import Pagination from '../../components/Pagination'
export default {
  data() {
    const DateCheck = (rule, value, callback) => {
      let sixHour=6*60*60*1000
      let date = this.editForm.courseDate
      let startDate = new Date(date[0]).getTime()
      let endDate = new Date(date[1]).getTime()
      if (endDate-startDate>sixHour){
        callback(new Error("课程时长不能超过六小时"));
      }else{
        callback()
      }
      
    };
    return {
      loading: false, //是显示加载
      editFormVisible: false, //控制编辑页面显示与隐藏
      title: '预览',
      payway: [
        { key: '基础专业知识', value: '基础专业知识' },
        { key: '有氧课程', value: '有氧课程' },
        { key: '无氧课程', value: '无氧课程' },
        { key: '体能训练', value: '体能训练' },
        { key: '燃脂课程', value: '燃脂课程' },
        { key: '健美操', value: '健美操' },
        { key: '形体塑性', value: '形体塑性' },
        { key: '瑜伽舞蹈', value: '瑜伽舞蹈' }
      ],
      rules:{
        courseName: [{ required: true, message: '清输入课程名称', trigger: 'blur' }],
        category: [{ required: true, message: '请选择类别', trigger: 'blur' }],
        price: [{ required: true, message: '请输入价格', trigger: 'blur' }],
        personNum: [{ required: true, message: '请输入课程人数', trigger: 'blur' }],
        introduce: [{ required: true, message: '请输入描述', trigger: 'blur' }],
        coachId: [{ required: true, message: '请选择教练', trigger: 'blur' }],
        address: [{ required: true, message: '请输入地址', trigger: 'blur' }],
        courseDate: [{ required: true, message: '请选择日期', trigger: 'blur' },{ validator: DateCheck, trigger: 'blur' }]
      },
      coachFrom:[],
      editForm: {
        id: '',
        imageUrl:'',
        courseName: '',
        courseDate: '',
        price: '',
        personNum: '',
        category: '',
        introduce: '',
        coachId: '',
        address: '',
      },
      formInline: {
        page: 1,
        limit: 10,
        id: '',
        category: '',
        courseName: '',
        coachId: '',
      },
      userparm: [], //搜索权限
      listData: [], //用户数据
      // 分页参数
      pageparm: {
        currentPage: 1,
        pageSize: 10,
        total: 10
      }
    }
  },
  // 注册组件
  components: {
    Pagination
  },
  /**
   * 创建完毕
   */
  created() {
    this.getdata(this.formInline)
  },


  methods: {
    // 获取列表
    getdata(parameter) {
      this.loading = true
      CourseList(parameter)
        .then(res => {
          this.loading = false
          if (res.success == false) {
            this.$message({
              type: 'info',
              message: res.msg
            })
          } else {
            this.listData = res.data
            // 分页赋值
            this.pageparm.currentPage = this.formInline.page
            this.pageparm.pageSize = this.formInline.limit
            this.pageparm.total = res.total
          }
        })
        .catch(err => {
          this.loading = false
          this.$message.error('课程加载失败，请稍后再试！')
        })
    },
    // 图片上传开始
    handleChange(file, fileList) {
      if (file.status === "success") {
        this.editForm.imageUrl = "";
      } else {
        this.editForm.imageUrl = URL.createObjectURL(file.raw);
      }
    },
    beforeUpload(file) {
      return true;
    },
    uploadSuccess(res, file, fileList) {
      if (res.success) {
        this.getdata(this.formInline);
        this.$message({
          type: "success",
          message: "配置保存成功！"
        });
      } else {
        this.$message({
          type: "info",
          message: res.msg
        });
      }
    },
    // 分页插件事件
    callFather(parm) {
      this.formInline.page = parm.currentPage
      this.formInline.limit = parm.pageSize
      this.getdata(this.formInline)
    },
    // 搜索事件
    search() {
      this.getdata(this.formInline)
    },
    getCoachList(){
      CoachForm()
        .then(res => {
          this.loading = false
          if (res.success == false) {
            this.$message({
              type: 'info',
              message: res.msg
            })
          } else {
            console.log(res);
            
            this.coachFrom = res.data
          }
        })
        .catch(err => {
          this.loading = false
          this.$message.error('教练加载失败，请稍后再试！')
        })
    },
    //显示编辑界面
    handleEdit: function(index, row) {
      this.editFormVisible = true;
      if (row != undefined && row != "undefined") {
        this.title = "修改课程";
        this.editForm.id = row.id;
        this.editForm.settingName = row.settingName;
        this.editForm.name = row.name;
        this.editForm.imageUrl = row.imageUrl;
        this.editForm.courseName = row.courseName;
        this.editForm.courseDate = row.courseDate;
        this.editForm.personNum = row.personNum;
        this.editForm.price = row.price;
        this.editForm.category = row.category;
        this.editForm.introduce = row.introduce;
        this.editForm.coachId = row.coachId;
        this.editForm.address = row.address;
        this.editForm.courseDate = row.courseDate;
      } else {
        this.title = "发布课程";
        this.editForm.id = "";
        this.editForm.settingName = "";
        this.editForm.name = "";
        this.editForm.imageUrl = "";
        this.editForm.courseName = "";
        this.editForm.courseDate = "";
        this.editForm.personNum = "";
        this.editForm.price = "";
        this.editForm.category = "";
        this.editForm.introduce = "";
        this.editForm.coachId = "";
        this.editForm.address = "";
        this.editForm.courseDate = "";
      }
      this.getCoachList();
    },
    submitForm(formName) { 
      console.log("提交");
      
      let vm = this;
      this.$refs[formName].validate(valid => {
        if (valid) {
          console.log("验证通过")
          this.editFormVisible = false;
          this.loading = false;
          vm.$refs.upload.submit();
        } else {
          return false;
        }
      });
    },
    
    // 删除课程
    deleteCourse(index, row) {
      this.$confirm('确定要删除吗?', '信息', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then(() => {
          CourseDelete({id:row.id})
            .then(res => {
              if (res.success) {
                this.$message({
                  type: 'success',
                  message: '课程已删除!'
                })
                this.getdata(this.formInline)
              } else {
                this.$message({
                  type: 'info',
                  message: res.msg
                })
              }
            })
            .catch(err => {
              this.loading = false
              this.$message.error('删除失败，请稍后再试！')
            })
        })
        .catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
    },
    // 关闭编辑、增加弹出框
    closeDialog(formName) {
      this.editFormVisible = false
      //this.$refs[formName].resetFields()
    }
  }
}
</script>

<style scoped>
.user-search {
  margin-top: 20px;
}
.userRole {
  width: 100%;
}
.avatar {
  width: 100px;
  height: 100px;
  display: block;
}
</style>

 
 

 